2011 Mercedes-Benz CL-Class - Road Test Specs

2011 Mercedes-Benz CL-Class Coupe

(4.7L V8 Twin-turbo AWD 7-speed Automatic)
Vehicle
Model year2011
MakeMercedes-Benz
ModelCL550 4Matic
Style2dr coupe (4.7L 8cyl Turbo 7A)
Base MSRP$115,325
Options on test vehicleCapri Blue Metallic; Sport Package Plus One ($6,650); Premium 2 Package ($3,490); Driver Assistance Package ($2,950); Split-View ($710 -- includes split-view, which allows the driver and front passenger to use different media on the COMAND display; Heated Steering Wheel ($490 -- wood and premium leather heated steering wheel).
As-tested MSRP$129,615
Drivetrain
Drive typeRear-wheel
Engine typeTurbocharged, direct-injected, V-8
Displacement (cc/cu-in)4,663/285
Block/head materialAluminum/aluminum
ValvetrainDOHC, four valves per cylinder, variable intake + exhaust-valve timing
Compression ratio (x:1)10.5:1
Horsepower (hp @ rpm)429 @ 5,250
Torque (lb-ft @ rpm)516 @ 1,800-3,500
Fuel type91 octane required
Transmission typeSeven-speed automatic and column shifter and steering-mounted paddles with sport/competition modes
Transmission and axle ratios (x:1)I = 4.38:1; 2 = 2.86:1; III = 1.92:1; IV = 1.37:1; V = 1.0:1; VI = 0.82:1, VII = 0.73:1; Findal drive = 2.65
Chassis
Suspension, frontIndependent double-wishbones, pneumatic springs, self-adjusting four-mode variable dampers, stabilizer bar
Suspension, rearIndependent multilink, pneumatic springs, self-adjusting four-mode variable dampers, stabilizer bar
Steering typeHydraulic-assist, speed-proportional, variable-ratio, rack-and-pinion power steering
Steering ratio (x:1)Variable ratio: 16.5:1 - 10:1
Tire brandContinental
Tire modelSportContact2
Tire typeAsymmetrical summer
Tire size, front255/35ZR20
Tire size, rear255/35ZR20
Wheel size20-by-8.5 inches front and rear
Wheel materialCast aluminum
Brakes, front13.2-inch one-piece ventilated cast-iron discs with four-piston fixed calipers
Brakes, rear11.8-inch one-piece ventilated cast-iron discs with single-piston sliding calipers
Track Test Results
Acceleration, 0-30 mph (sec.)2.0
0-45 mph (sec.)3.2
0-60 mph (sec.)4.6
0-75 mph (sec.)6.6
1/4-mile (sec. @ mph)12.8 @ 109.6
0-60 with 1 foot of rollout (sec.)4.3
Braking, 30-0 mph (ft.)28
60-0 mph (ft.)111
Slalom, 6 x 100 ft. (mph)64.7
Skid pad, 200-ft. diameter (lateral g)0.84
Sound level @ idle (dB)41.4
@ Full throttle (dB)68.8
@ 70 mph cruise (dB)62.3
Test Driver Ratings & Comments
Acceleration commentsRan a 4.66 with all systems on; only improved to a 4.61 with stability control "off." Went quickest by going straight from brake to throttle, not power braking. With all-wheel drive, no traction issues. Transmission shifts relatively quickly, always utterly smooth. No heat soak. Ran car in softer suspension setting. Manual shifting via steering wheel paddles; does not hold gears to limiter.
Braking commentsVery solid pedal feel and dead straight and confidence-inspiring stops. No fade, good, short stopping distances considering the car weighs nearly 4,700 pounds. Credit to the big brakes and grippy tires. Ran car in Sport suspension setting for braking.
Handling comments"Skid pad: Chassis was very willing to alter its attitude with drop-throttle, surprising for such a big and heavy coupe. No problem putting the power down with AWD. But it was easy to overshoot the arc when getting back on the gas because the throttle is so sensitive. ESC hardly cut in here at all, whether ""On"" or ""Off.""
Testing Conditions
Elevation (ft.)1,121
Temperature (F)71.2
Relative humidity (%)40.8
Wind (mph, direction)2.62 head/crosswind
Fuel Consumption
EPA fuel economy (mpg)15/23/18
Edmunds observed (mpg)17.5
Fuel tank capacity (U.S. gal.)21.9
Dimensions & Capacities
Curb weight, mfr. claim (lbs.)4,619
Curb weight, as tested (lbs.)4,678
Weight distribution, as tested, f/r (%)56/44
Length (in.)200.6
Width (in.)73.7
Height (in.)55.8
Wheelbase (in.)116.3
Track, front (in.)63.0
Track, rear (in.)63.0
Turning circle (ft.)38.1
Legroom, front (in.)42.2
Legroom, rear (in.)32.2
Headroom, front (in.)36.9
Headroom, rear (in.)36.4
Shoulder room, front (in.)59.2
Shoulder room, rear (in.)55.2
Seating capacity4
Warranty
Bumper-to-bumper4 years/50,000 miles
Powertrain4 years/50,000 miles
Corrosion4 years/50,000 miles
Roadside assistanceUnlimited years and mileage
Free scheduled maintenanceFirst 3,000 miles
Safety
Front airbagsStandard
Side airbagsStandard
Head airbagsStandard
Antilock brakesStandard
Electronic brake enhancementsBrake assist, eletronic brakeforce distribution
Traction controlStandard
Stability controlStandard

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